Automatic Christmas Tree Watering System Looks Like a Present. Keep Your Live Tree Green Throughout The Holiday Season. Quick setup gets the water flowing and level set so that there is no need to continually check if there is water in the tree stand. Easily keep your tree watered all season long with no need to move your tree skirt or gifts. Device doubles the effective water holding capacity of your tree stand holds 2 1/2 Gallons. Folds away for easy storage and use year after year.